144701domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 10*p-1, 10*p-3, 10*p-7 and 10*p-9 are all prime.at n=35A243408Expansion of 1/((1 - x - x^3)^2 - 4*x^4).at n=16A375278Prime numbersat n=13397